recovery files and remove unnecessary

TINetworking/Sources/Parameters/Encoding/HeadersParameterEncoding.swift

@@ -1,13 +0,0 @@
-open class HeadersParameterEncoding {
-    public let sequenceSeparator: String
-
-    public init(sequenceSeparator: String = ";") {
-        self.sequenceSeparator = sequenceSeparator
-    }
-
-    open func encode(parameters: [KeyValueTuple<String, String>]) -> [String: String] {
-        Dictionary(parameters) {
-            $0 + sequenceSeparator + $1
-        }
-    }
-}

TINetworking/Sources/Parameters/ParameterEncoding.swift

@@ -0,0 +1,6 @@
+protocol ParameterEncoding {
+    associatedtype Location: ParameterLocation
+    associatedtype Result
+
+    func encode(parameters: [String: Parameter<Location>]) -> Result
+}